>1f4qA (A:) observed residues (from ATOM records)
svytyfsavagqdgevdaeelqrcltqsgingtyspfsletcrimiamldrdhtgkmgfn
afkelwaalnawkenfmtvdgtvehhelrqaiglmgyrlspqtlttivkryskngriffd
dyvaccvklraltdffkkrdhlqqgsadfiyddflqgtmai